Descurainia pinnata subsp. glabra

(Wooton & Standley) Detling

Amer. Midl. Naturalist 22: 507. 1939.

Basionym: Sophia glabra Wooton & Standley Contr. U.S. Natl. Herb. 16: 127. 1913
Synonyms: Descurainia pinnata var. glabra (Wooton & Standley) Shinners
Treatment appears in FNA Volume 7. Treatment on page 528. Mentioned on page 527.

Plants eglandular, not canescent. Stems unbranched basally, branched distally. Racemes: rachis glabrous, eglandular. Fruiting pedicels divaricate to horizontal or descending, forming 70–90(–100)º angle, 4–10(–15) mm. Flowers: sepals rose (at least apically), 0.8–1.5 mm; petals 1–1.8 × 0.3–0.7 mm.


Phenology: Flowering Feb–Apr(-Jun).
Habitat: Sandy washes and beds, scrub and bush communities, granitic sand, under junipers, oak and pine woodlands, stream beds, sagebrush, floodplains, limestone outcrops
Elevation: 300-2400 m

Distribution

V7 834-distribution-map.gif

Ariz., Calif., Nev., N.Mex., Utah, Mexico (Baja California, Chihuahua, Coahuila, Hidalgo, Sonora).

Discussion

Selected References

None.

Lower Taxa

None.
Barbara E. Goodson +  and Ihsan A. Al-Shehbaz +
(Wooton & Standley) Detling +
Sophia glabra +
Ariz. +, Calif. +, Nev. +, N.Mex. +, Utah +, Mexico (Baja California +, Chihuahua +, Coahuila +, Hidalgo +  and Sonora). +
300-2400 m +
Sandy washes and beds, scrub and bush communities, granitic sand, under junipers, oak and pine woodlands, stream beds, sagebrush, floodplains, limestone outcrops +
Flowering Feb–Apr(-Jun). +
Amer. Midl. Naturalist +
Descurainia pinnata var. glabra +
Descurainia pinnata subsp. glabra +
Descurainia pinnata +
subspecies +